R七年级上册SectionA第2课时Unit8Whenisyourbirthday?Newwords1.first____________2.second_____________3.third_____________4.fifth_____________5.eighth_____________6.ninth_____________7.twelfth_____________8.twentieth_____________第一第二第三第五第八第九第十二第二十Whenisyourbirthday?MybirthdayisonMay2nd.Whenishisbirthday?HisbirthdayisonJanuary17th.Whenisherbirthday?It’sinAugust.WhenisAlice’sbirthday?HerbirthdayisonSeptember5th.Whenisyourfather’sbirthday?HisbirthdayisonApril21st.GrammarFocusfirstsecondthirdfourthfifthsixthseventheighthninthtentheleventhtwelfththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenthtwentiethtwenty-firsttwenty-secondtwenty-thirdtwenty-fourthtwenty-fifthtwenty-sixthtwenty-seventhtwenty-eighthtwenty-ninththirtieththirty-first序数词的用法1.定义：表示事物的顺序的数词叫序数词。它的作用相当于名词或形容词，可作主语、宾语、定语或表语。2.构成：基数词要变为序数词是有规律可循的，其方法及具体示例如下：规律示例twenty—twentieththirty—thirtiethsix—sixthseventeen—seventeenth一般情况下在基数词后加-th整十的序数词的构成是把对应的基数词末尾的y变为ie,再加-th两位或两位以上的基数词变为序数词时，只将个位数变为序数词twentytwo—twenty-second特殊变化的基数词1、2、3、5、8、9等需单独记忆one—firsttwo—secondthree—thirdfive—fiftheight—eighthnine—ninth巧记歌诀基变序，有规律。1，2，3，特殊记；结尾时，t，d，d；从第4，加th;8加h，9去e；5和12,也好记，f来把ve替；若要表示整十数，词尾y,变ie;th接上莫迟疑,如要表示几十几，只变个位就可以。Matchthequestionsandanswers.3aQuestionsAnswers1.WhenisJenny’sbirthday?___a.No,it’sonthe6th.2.Whenaretheirbirthdays?___b.HerbirthdayisonMay24th.3.Whenisyourbrother’sbirthday?___c.Yes,itis.4.IshisbirthdayinJuly?___d.TheirbirthdaysareinJanuary.5.IsyourbirthdayonFebruary1st?___e.It’sonJune16th.bdeca3bCompletetheconversationandpracticeitwithyourpartner.A:How____areyou,Grace?B:_____twelve.A:And______isyourbirthday?B:My________isonMarch12th.HowaboutyouandTom?A:Well,mybirthdayis____July5th,andTom’sbirthdayis___December.oldI’mwhenbirthdayonin3cFindoutyourgroupmembers’birthdaysandages.Lineupfromtheyoungesttotheoldest.HowaboutyouandTom?你和汤姆怎么样?howabout用来提出请求、建议或征求对方意见,意为“(你认为)……怎么样?……如何?”后跟名词、代词或v.-ing。常用来表示建议的句型①How/Whatabout+doing……怎么样?②Whydon’tyou+do为什么不……?③Let’sdo...!让我们做……吧!Languagepointsfindout查清；弄明白Jim’smotherislookingforhercat.吉姆的妈妈在找她的猫。lookforfindfindout寻找找到；发现查清；弄明白强调动作过程强调动作结果多指通过调查、询问、打听、研究之后“搞清楚、弄明白”Ⅰ.用所给词的适当形式填空1.March6thismy(twenty)birthday.2.I’mthe(one)studenttocomehere.3.MikeandTom(be)13yearsold.4.Todayis(Bob)birthday.5.Thebabyisfive(month)old.ExercisetwentiethfirstareBob’smonthsⅡ.单项选择1.Howoldyourfather?A.areB.isC.doesD.do2.IlikeMarchbest.Howabout?A.sheB.heC.hisD.her3.Thelastmonthofayearis.A.FebruaryB.NovemberC.DecemberD.October4.—Whenisyourbirthday?—It’son.A.dayB.JuneC.June5thD.twelve5.—Wewillgoforatrip.—.A.SeeyouB.YouarewelcomeC.ExcusemeD.Haveagoodtime同学们，这一课学习的单词你们都掌握了吗？现在大家来检验一下，点击下面的视频开始听写吧！